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kaheart [24]
3 years ago
8

How do you find the normal line for an incident light ray on a concave mirror?

Physics
1 answer:
Yuliya22 [10]3 years ago
3 0

Answer:

Try different angles

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A man lifts a 25.9 kg bucket from a well and does 5.92 kJ of work.The acceleration of gravity is 9.8 m/s^2 . How deep is the wel
Jet001 [13]

Answer:

The well is 23.3 m

Explanation:

As the bucket is lifted out of the well, energy in the man is being transferred to the bucket as gravitational potential energy.

Work done against gravity =  mass * height * acceleration due to to gravity

W  =  mgh

5 920 J = 25.9 kg * h * 9.8 m/s²

h = 23.3 m

4 0
3 years ago
A 1250 kg car is moving down the highway with a velocity of 32.0 m/s when it bumps into the car ahead of it which has a mass of
d1i1m1o1n [39]
<span>First car has 0.0256 m/s per kg and the second one has 0,02857 m/s per kg. If both cars collide the resulting weight will be 2125 kg and both cars will be traveling at speed 0.027085 m/s per kg resulting in the speed 57.56 m/s</span>
3 0
3 years ago
What two factors are used to calculate kinetic energy?
vaieri [72.5K]

Answer:

the 2 factors are Mass and Speed which make Kinetic

8 0
3 years ago
Why do we measure volume
Misha Larkins [42]

Explanation:

Volume is often quantified numerically using the SI derived unit, the cubic metre. The volume of a container is generally understood to be the capacity of the container; i. e., the amount of fluid (gas or liquid) that the container could hold, rather than the amount of space the container itself displaces.

We don't use units like triangular prism feet or spherical kilometers because the three axes don't make a "corner" of any other shape other than a cube.

Glad I was able to help!!

7 0
3 years ago
Read 2 more answers
Jesse watches the Moon rise around 6:00 PM. When will the Moon most likely set?
Dominik [7]
On the average throughout a month, the moon appears to move
through the sky with a period of about 24 hours 48 minutes.

So if Jesse sees the Moon rise around 6:00 PM, he will see it
set the next morning if he is awake around 6:24 AM, and rise
again the next evening around 6:48 PM.
5 0
3 years ago
Read 2 more answers
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